The ProComp2™ is a compact, powerful, 2 channel version of Thought Technology's ProComp Infiniti™ encoder, which can be easily worn on a head band or a shirt collar. ProComp 2™ contains a built-in EEG sensor - requiring only an electrode lead for EEG monitoring and biofeedback. It can use any two of the seven available ProComp Infiniti™ sensors.